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- W2182071119 abstract "Context. Ogata et al. (2009; hereafter OKK) presented a theoretical determination of the 4 He(��, ) 12 C, or triple-�, nuclear reaction rate. Their rate differs from the NACRE rate by many orders of magnitude at temperatures relevant for low mass stars. Aims. We explore the evolutionary implications of adopting the OKK triple-� reaction rate in low mass stars and compare the results with those obtained using the NACRE rate. Methods. The triple-� reaction rates are compared by following the evolution of stellar models at 1 and 1.5 M⊙ with Z=0.0002 and Z=0.02. Results. Results show that the OKK rate has severe consequences for the late stages of stellar evolution in low mass stars. Most notable is the shortening‐or disappearance‐of the red giant phase. Conclusions. The OKK triple-� reaction rate is incompatible with observations of extended red giant branches and He burning stars in old stellar systems." @default.
- W2182071119 created "2016-06-24" @default.
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- W2182071119 date "2013-01-01" @default.
- W2182071119 modified "2023-09-27" @default.
- W2182071119 title "Evolutionary implications of the new triple- nuclear reaction rate for low mass stars (Research Note)" @default.
- W2182071119 hasPublicationYear "2013" @default.
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